The US again has the world's most powerful supercomputer
 

The Department of Energy pulled back the curtain on the world's most powerful supercomputer Friday. When Summit is operating at max capacity, it can run at 200 petaflops -- that's 200 quadrillion calculations per second. That smokes the previous reco...

https://www.engadget.com/2018/06/08/...-ai-oak-ridge/